SENATOR Lindsey Graham has defended Joe Biden against the sex assault allegations made by former Senate aide Tara Reade as the Democratic National Committee was pressed on Saturday to investigate her claims.

The South Carolina senator said he was skeptical of Reade's accusations that Biden cornered her in a deserted hallway of Capitol Hill and sexually assaulted her in 1993.

"It is not true. I am saying unequivocally it never, never happened, and it didn't. It never happened," Biden told host Mika Brzezinski during the 18-minute grilling.

"I don't remember any type of complaint she may have made. It was 27 years ago, and I don't remember, nor does anyone else that I'm aware of, and the fact is that I don't remember. I don't remember any complaint ever having been made."

Defenders of the former vice president have questioned Reade's account of the alleged 1993 assault.

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'MAJOR INSTIGATOR'

She cited the team's "exhaustive vet" of Reade's accusations during president Obama's 2008 campaign.

"I ran VP nominee operations for Obama campaign in 08. When Biden was selected I served as his Chief of Staff," tweeted Doyle.

"NO sexual assault of harassment allegation ever came up against him. It was an exhaustive vet."

I ran VP nominee operations for Obama campaign in 08. When Biden was selected I served as his Chief of Staff. NO sexual assault or harassment allegation ever came up against him. It was an exhaustive vet https://t.co/GJsuPYAz3e